90718240

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{13829}}^1$

素因数の和:13885

約数の個数: 48

約数和(自身を含む): 219565080

約数和(自身を除く): 128846840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 13829, 27658, 55316, 69145, 110632, 138290, 221264, 276580, 442528, 553160, 566989, 1106320, 1133978, 2212640, 2267956, 2834945, 4535912, 5669890, 9071824, 11339780, 18143648, 22679560, 45359120, 90718240]

約数ペア:

[(1, 90718240), (2, 45359120), (4, 22679560), (5, 18143648), (8, 11339780), (10, 9071824), (16, 5669890), (20, 4535912), (32, 2834945), (40, 2267956), (41, 2212640), (80, 1133978), (82, 1106320), (160, 566989), (164, 553160), (205, 442528), (328, 276580), (410, 221264), (656, 138290), (820, 110632), (1312, 69145), (1640, 55316), (3280, 27658), (6560, 13829)]