40475780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{659}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 88482240

約数和(自身を除く): 48006460

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 83, 148, 166, 185, 332, 370, 415, 659, 740, 830, 1318, 1660, 2636, 3071, 3295, 6142, 6590, 12284, 13180, 15355, 24383, 30710, 48766, 54697, 61420, 97532, 109394, 121915, 218788, 243830, 273485, 487660, 546970, 1093940, 2023789, 4047578, 8095156, 10118945, 20237890, 40475780]

約数ペア:

[(1, 40475780), (2, 20237890), (4, 10118945), (5, 8095156), (10, 4047578), (20, 2023789), (37, 1093940), (74, 546970), (83, 487660), (148, 273485), (166, 243830), (185, 218788), (332, 121915), (370, 109394), (415, 97532), (659, 61420), (740, 54697), (830, 48766), (1318, 30710), (1660, 24383), (2636, 15355), (3071, 13180), (3295, 12284), (6142, 6590)]