4436422640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{69931}}^1$

素因数の和:70018

約数の個数: 80

約数和(自身を含む): 11290381536

約数和(自身を除く): 6853958896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 488, 520, 610, 793, 976, 1040, 1220, 1586, 2440, 3172, 3965, 4880, 6344, 7930, 12688, 15860, 31720, 63440, 69931, 139862, 279724, 349655, 559448, 699310, 909103, 1118896, 1398620, 1818206, 2797240, 3636412, 4265791, 4545515, 5594480, 7272824, 8531582, 9091030, 14545648, 17063164, 18182060, 21328955, 34126328, 36364120, 42657910, 55455283, 68252656, 72728240, 85315820, 110910566, 170631640, 221821132, 277276415, 341263280, 443642264, 554552830, 887284528, 1109105660, 2218211320, 4436422640]

約数ペア:

[(1, 4436422640), (2, 2218211320), (4, 1109105660), (5, 887284528), (8, 554552830), (10, 443642264), (13, 341263280), (16, 277276415), (20, 221821132), (26, 170631640), (40, 110910566), (52, 85315820), (61, 72728240), (65, 68252656), (80, 55455283), (104, 42657910), (122, 36364120), (130, 34126328), (208, 21328955), (244, 18182060), (260, 17063164), (305, 14545648), (488, 9091030), (520, 8531582), (610, 7272824), (793, 5594480), (976, 4545515), (1040, 4265791), (1220, 3636412), (1586, 2797240), (2440, 1818206), (3172, 1398620), (3965, 1118896), (4880, 909103), (6344, 699310), (7930, 559448), (12688, 349655), (15860, 279724), (31720, 139862), (63440, 69931)]