256422560

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{94273}}^1$

素因数の和:94305

約数の個数: 48

約数和(自身を含む): 641440296

約数和(自身を除く): 385017736

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 94273, 188546, 377092, 471365, 754184, 942730, 1508368, 1602641, 1885460, 3016736, 3205282, 3770920, 6410564, 7541840, 8013205, 12821128, 15083680, 16026410, 25642256, 32052820, 51284512, 64105640, 128211280, 256422560]

約数ペア:

[(1, 256422560), (2, 128211280), (4, 64105640), (5, 51284512), (8, 32052820), (10, 25642256), (16, 16026410), (17, 15083680), (20, 12821128), (32, 8013205), (34, 7541840), (40, 6410564), (68, 3770920), (80, 3205282), (85, 3016736), (136, 1885460), (160, 1602641), (170, 1508368), (272, 942730), (340, 754184), (544, 471365), (680, 377092), (1360, 188546), (2720, 94273)]