12695800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 33591600

約数和(自身を除く): 20895800

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 104, 130, 152, 190, 200, 247, 257, 260, 325, 380, 475, 494, 514, 520, 650, 760, 950, 988, 1028, 1235, 1285, 1300, 1900, 1976, 2056, 2470, 2570, 2600, 3341, 3800, 4883, 4940, 5140, 6175, 6425, 6682, 9766, 9880, 10280, 12350, 12850, 13364, 16705, 19532, 24415, 24700, 25700, 26728, 33410, 39064, 48830, 49400, 51400, 63479, 66820, 83525, 97660, 122075, 126958, 133640, 167050, 195320, 244150, 253916, 317395, 334100, 488300, 507832, 634790, 668200, 976600, 1269580, 1586975, 2539160, 3173950, 6347900, 12695800]

約数ペア:

[(1, 12695800), (2, 6347900), (4, 3173950), (5, 2539160), (8, 1586975), (10, 1269580), (13, 976600), (19, 668200), (20, 634790), (25, 507832), (26, 488300), (38, 334100), (40, 317395), (50, 253916), (52, 244150), (65, 195320), (76, 167050), (95, 133640), (100, 126958), (104, 122075), (130, 97660), (152, 83525), (190, 66820), (200, 63479), (247, 51400), (257, 49400), (260, 48830), (325, 39064), (380, 33410), (475, 26728), (494, 25700), (514, 24700), (520, 24415), (650, 19532), (760, 16705), (950, 13364), (988, 12850), (1028, 12350), (1235, 10280), (1285, 9880), (1300, 9766), (1900, 6682), (1976, 6425), (2056, 6175), (2470, 5140), (2570, 4940), (2600, 4883), (3341, 3800)]