80096440

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 184680000

約数和(自身を除く): 104583560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 149, 151, 178, 298, 302, 356, 445, 596, 604, 712, 745, 755, 890, 1192, 1208, 1490, 1510, 1780, 2980, 3020, 3560, 5960, 6040, 13261, 13439, 22499, 26522, 26878, 44998, 53044, 53756, 66305, 67195, 89996, 106088, 107512, 112495, 132610, 134390, 179992, 224990, 265220, 268780, 449980, 530440, 537560, 899960, 2002411, 4004822, 8009644, 10012055, 16019288, 20024110, 40048220, 80096440]

約数ペア:

[(1, 80096440), (2, 40048220), (4, 20024110), (5, 16019288), (8, 10012055), (10, 8009644), (20, 4004822), (40, 2002411), (89, 899960), (149, 537560), (151, 530440), (178, 449980), (298, 268780), (302, 265220), (356, 224990), (445, 179992), (596, 134390), (604, 132610), (712, 112495), (745, 107512), (755, 106088), (890, 89996), (1192, 67195), (1208, 66305), (1490, 53756), (1510, 53044), (1780, 44998), (2980, 26878), (3020, 26522), (3560, 22499), (5960, 13439), (6040, 13261)]