87021220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{30427}}^1$

素因数の和:30460

約数の個数: 48

約数和(自身を含む): 214699968

約数和(自身を除く): 127678748

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 30427, 60854, 121708, 152135, 304270, 334697, 395551, 608540, 669394, 791102, 1338788, 1582204, 1673485, 1977755, 3346970, 3955510, 4351061, 6693940, 7911020, 8702122, 17404244, 21755305, 43510610, 87021220]

約数ペア:

[(1, 87021220), (2, 43510610), (4, 21755305), (5, 17404244), (10, 8702122), (11, 7911020), (13, 6693940), (20, 4351061), (22, 3955510), (26, 3346970), (44, 1977755), (52, 1673485), (55, 1582204), (65, 1338788), (110, 791102), (130, 669394), (143, 608540), (220, 395551), (260, 334697), (286, 304270), (572, 152135), (715, 121708), (1430, 60854), (2860, 30427)]