84915520

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3359}}^1$

素因数の和:3455

約数の個数: 56

約数和(自身を含む): 204825600

約数和(自身を除く): 119910080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1264, 1580, 2528, 3160, 3359, 5056, 6320, 6718, 12640, 13436, 16795, 25280, 26872, 33590, 53744, 67180, 107488, 134360, 214976, 265361, 268720, 530722, 537440, 1061444, 1074880, 1326805, 2122888, 2653610, 4245776, 5307220, 8491552, 10614440, 16983104, 21228880, 42457760, 84915520]

約数ペア:

[(1, 84915520), (2, 42457760), (4, 21228880), (5, 16983104), (8, 10614440), (10, 8491552), (16, 5307220), (20, 4245776), (32, 2653610), (40, 2122888), (64, 1326805), (79, 1074880), (80, 1061444), (158, 537440), (160, 530722), (316, 268720), (320, 265361), (395, 214976), (632, 134360), (790, 107488), (1264, 67180), (1580, 53744), (2528, 33590), (3160, 26872), (3359, 25280), (5056, 16795), (6320, 13436), (6718, 12640)]