20073670160

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1\times {\mathrm{9001}}^1$

素因数の和:9532

約数の個数: 80

約数和(自身を含む): 47545467312

約数和(自身を除く): 27471797152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 457, 488, 610, 914, 976, 1220, 1828, 2285, 2440, 3656, 4570, 4880, 7312, 9001, 9140, 18002, 18280, 27877, 36004, 36560, 45005, 55754, 72008, 90010, 111508, 139385, 144016, 180020, 223016, 278770, 360040, 446032, 549061, 557540, 720080, 1098122, 1115080, 2196244, 2230160, 2745305, 4113457, 4392488, 5490610, 8226914, 8784976, 10981220, 16453828, 20567285, 21962440, 32907656, 41134570, 43924880, 65815312, 82269140, 164538280, 250920877, 329076560, 501841754, 1003683508, 1254604385, 2007367016, 2509208770, 4014734032, 5018417540, 10036835080, 20073670160]

約数ペア:

[(1, 20073670160), (2, 10036835080), (4, 5018417540), (5, 4014734032), (8, 2509208770), (10, 2007367016), (16, 1254604385), (20, 1003683508), (40, 501841754), (61, 329076560), (80, 250920877), (122, 164538280), (244, 82269140), (305, 65815312), (457, 43924880), (488, 41134570), (610, 32907656), (914, 21962440), (976, 20567285), (1220, 16453828), (1828, 10981220), (2285, 8784976), (2440, 8226914), (3656, 5490610), (4570, 4392488), (4880, 4113457), (7312, 2745305), (9001, 2230160), (9140, 2196244), (18002, 1115080), (18280, 1098122), (27877, 720080), (36004, 557540), (36560, 549061), (45005, 446032), (55754, 360040), (72008, 278770), (90010, 223016), (111508, 180020), (139385, 144016)]