40941980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:1014

約数の個数: 48

約数和(自身を含む): 89848416

約数和(自身を除く): 48906436

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 122, 148, 185, 244, 305, 370, 610, 740, 907, 1220, 1814, 2257, 3628, 4514, 4535, 9028, 9070, 11285, 18140, 22570, 33559, 45140, 55327, 67118, 110654, 134236, 167795, 221308, 276635, 335590, 553270, 671180, 1106540, 2047099, 4094198, 8188396, 10235495, 20470990, 40941980]

約数ペア:

[(1, 40941980), (2, 20470990), (4, 10235495), (5, 8188396), (10, 4094198), (20, 2047099), (37, 1106540), (61, 671180), (74, 553270), (122, 335590), (148, 276635), (185, 221308), (244, 167795), (305, 134236), (370, 110654), (610, 67118), (740, 55327), (907, 45140), (1220, 33559), (1814, 22570), (2257, 18140), (3628, 11285), (4514, 9070), (4535, 9028)]