8749840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 22694976

約数和(自身を除く): 13945136

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 88, 110, 122, 163, 176, 220, 244, 305, 326, 440, 488, 610, 652, 671, 815, 880, 976, 1220, 1304, 1342, 1630, 1793, 2440, 2608, 2684, 3260, 3355, 3586, 4880, 5368, 6520, 6710, 7172, 8965, 9943, 10736, 13040, 13420, 14344, 17930, 19886, 26840, 28688, 35860, 39772, 49715, 53680, 71720, 79544, 99430, 109373, 143440, 159088, 198860, 218746, 397720, 437492, 546865, 795440, 874984, 1093730, 1749968, 2187460, 4374920, 8749840]

約数ペア:

[(1, 8749840), (2, 4374920), (4, 2187460), (5, 1749968), (8, 1093730), (10, 874984), (11, 795440), (16, 546865), (20, 437492), (22, 397720), (40, 218746), (44, 198860), (55, 159088), (61, 143440), (80, 109373), (88, 99430), (110, 79544), (122, 71720), (163, 53680), (176, 49715), (220, 39772), (244, 35860), (305, 28688), (326, 26840), (440, 19886), (488, 17930), (610, 14344), (652, 13420), (671, 13040), (815, 10736), (880, 9943), (976, 8965), (1220, 7172), (1304, 6710), (1342, 6520), (1630, 5368), (1793, 4880), (2440, 3586), (2608, 3355), (2684, 3260)]