90907840

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^2\times {\mathrm{983}}^1$

素因数の和:1034

約数の個数: 84

約数和(自身を含む): 230191056

約数和(自身を除く): 139283216

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 289, 320, 340, 544, 578, 680, 983, 1088, 1156, 1360, 1445, 1966, 2312, 2720, 2890, 3932, 4624, 4915, 5440, 5780, 7864, 9248, 9830, 11560, 15728, 16711, 18496, 19660, 23120, 31456, 33422, 39320, 46240, 62912, 66844, 78640, 83555, 92480, 133688, 157280, 167110, 267376, 284087, 314560, 334220, 534752, 568174, 668440, 1069504, 1136348, 1336880, 1420435, 2272696, 2673760, 2840870, 4545392, 5347520, 5681740, 9090784, 11363480, 18181568, 22726960, 45453920, 90907840]

約数ペア:

[(1, 90907840), (2, 45453920), (4, 22726960), (5, 18181568), (8, 11363480), (10, 9090784), (16, 5681740), (17, 5347520), (20, 4545392), (32, 2840870), (34, 2673760), (40, 2272696), (64, 1420435), (68, 1336880), (80, 1136348), (85, 1069504), (136, 668440), (160, 568174), (170, 534752), (272, 334220), (289, 314560), (320, 284087), (340, 267376), (544, 167110), (578, 157280), (680, 133688), (983, 92480), (1088, 83555), (1156, 78640), (1360, 66844), (1445, 62912), (1966, 46240), (2312, 39320), (2720, 33422), (2890, 31456), (3932, 23120), (4624, 19660), (4915, 18496), (5440, 16711), (5780, 15728), (7864, 11560), (9248, 9830)]