4455440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:168

約数の個数: 80

約数和(自身を含む): 11624256

約数和(自身を除く): 7168816

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 83, 88, 110, 122, 166, 176, 220, 244, 305, 332, 415, 440, 488, 610, 664, 671, 830, 880, 913, 976, 1220, 1328, 1342, 1660, 1826, 2440, 2684, 3320, 3355, 3652, 4565, 4880, 5063, 5368, 6640, 6710, 7304, 9130, 10126, 10736, 13420, 14608, 18260, 20252, 25315, 26840, 36520, 40504, 50630, 53680, 55693, 73040, 81008, 101260, 111386, 202520, 222772, 278465, 405040, 445544, 556930, 891088, 1113860, 2227720, 4455440]

約数ペア:

[(1, 4455440), (2, 2227720), (4, 1113860), (5, 891088), (8, 556930), (10, 445544), (11, 405040), (16, 278465), (20, 222772), (22, 202520), (40, 111386), (44, 101260), (55, 81008), (61, 73040), (80, 55693), (83, 53680), (88, 50630), (110, 40504), (122, 36520), (166, 26840), (176, 25315), (220, 20252), (244, 18260), (305, 14608), (332, 13420), (415, 10736), (440, 10126), (488, 9130), (610, 7304), (664, 6710), (671, 6640), (830, 5368), (880, 5063), (913, 4880), (976, 4565), (1220, 3652), (1328, 3355), (1342, 3320), (1660, 2684), (1826, 2440)]