40393640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:619

約数の個数: 96

約数和(自身を含む): 108776520

約数和(自身を除く): 68382880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 49, 56, 70, 74, 98, 140, 148, 185, 196, 245, 259, 280, 296, 370, 392, 490, 518, 557, 740, 980, 1036, 1114, 1295, 1480, 1813, 1960, 2072, 2228, 2590, 2785, 3626, 3899, 4456, 5180, 5570, 7252, 7798, 9065, 10360, 11140, 14504, 15596, 18130, 19495, 20609, 22280, 27293, 31192, 36260, 38990, 41218, 54586, 72520, 77980, 82436, 103045, 109172, 136465, 144263, 155960, 164872, 206090, 218344, 272930, 288526, 412180, 545860, 577052, 721315, 824360, 1009841, 1091720, 1154104, 1442630, 2019682, 2885260, 4039364, 5049205, 5770520, 8078728, 10098410, 20196820, 40393640]

約数ペア:

[(1, 40393640), (2, 20196820), (4, 10098410), (5, 8078728), (7, 5770520), (8, 5049205), (10, 4039364), (14, 2885260), (20, 2019682), (28, 1442630), (35, 1154104), (37, 1091720), (40, 1009841), (49, 824360), (56, 721315), (70, 577052), (74, 545860), (98, 412180), (140, 288526), (148, 272930), (185, 218344), (196, 206090), (245, 164872), (259, 155960), (280, 144263), (296, 136465), (370, 109172), (392, 103045), (490, 82436), (518, 77980), (557, 72520), (740, 54586), (980, 41218), (1036, 38990), (1114, 36260), (1295, 31192), (1480, 27293), (1813, 22280), (1960, 20609), (2072, 19495), (2228, 18130), (2590, 15596), (2785, 14504), (3626, 11140), (3899, 10360), (4456, 9065), (5180, 7798), (5570, 7252)]