51237560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 134991360

約数和(自身を除く): 83753800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 61, 83, 88, 92, 110, 115, 122, 166, 184, 220, 230, 244, 253, 305, 332, 415, 440, 460, 488, 506, 610, 664, 671, 830, 913, 920, 1012, 1220, 1265, 1342, 1403, 1660, 1826, 1909, 2024, 2440, 2530, 2684, 2806, 3320, 3355, 3652, 3818, 4565, 5060, 5063, 5368, 5612, 6710, 7015, 7304, 7636, 9130, 9545, 10120, 10126, 11224, 13420, 14030, 15272, 15433, 18260, 19090, 20252, 20999, 25315, 26840, 28060, 30866, 36520, 38180, 40504, 41998, 50630, 55693, 56120, 61732, 76360, 77165, 83996, 101260, 104995, 111386, 116449, 123464, 154330, 167992, 202520, 209990, 222772, 232898, 278465, 308660, 419980, 445544, 465796, 556930, 582245, 617320, 839960, 931592, 1113860, 1164490, 1280939, 2227720, 2328980, 2561878, 4657960, 5123756, 6404695, 10247512, 12809390, 25618780, 51237560]

約数ペア:

[(1, 51237560), (2, 25618780), (4, 12809390), (5, 10247512), (8, 6404695), (10, 5123756), (11, 4657960), (20, 2561878), (22, 2328980), (23, 2227720), (40, 1280939), (44, 1164490), (46, 1113860), (55, 931592), (61, 839960), (83, 617320), (88, 582245), (92, 556930), (110, 465796), (115, 445544), (122, 419980), (166, 308660), (184, 278465), (220, 232898), (230, 222772), (244, 209990), (253, 202520), (305, 167992), (332, 154330), (415, 123464), (440, 116449), (460, 111386), (488, 104995), (506, 101260), (610, 83996), (664, 77165), (671, 76360), (830, 61732), (913, 56120), (920, 55693), (1012, 50630), (1220, 41998), (1265, 40504), (1342, 38180), (1403, 36520), (1660, 30866), (1826, 28060), (1909, 26840), (2024, 25315), (2440, 20999), (2530, 20252), (2684, 19090), (2806, 18260), (3320, 15433), (3355, 15272), (3652, 14030), (3818, 13420), (4565, 11224), (5060, 10126), (5063, 10120), (5368, 9545), (5612, 9130), (6710, 7636), (7015, 7304)]