1895840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1$

素因数の和:90

約数の個数: 72

約数和(自身を含む): 4873932

約数和(自身を除く): 2978092

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 68, 80, 82, 85, 136, 160, 164, 170, 205, 272, 289, 328, 340, 410, 544, 578, 656, 680, 697, 820, 1156, 1312, 1360, 1394, 1445, 1640, 2312, 2720, 2788, 2890, 3280, 3485, 4624, 5576, 5780, 6560, 6970, 9248, 11152, 11560, 11849, 13940, 22304, 23120, 23698, 27880, 46240, 47396, 55760, 59245, 94792, 111520, 118490, 189584, 236980, 379168, 473960, 947920, 1895840]

約数ペア:

[(1, 1895840), (2, 947920), (4, 473960), (5, 379168), (8, 236980), (10, 189584), (16, 118490), (17, 111520), (20, 94792), (32, 59245), (34, 55760), (40, 47396), (41, 46240), (68, 27880), (80, 23698), (82, 23120), (85, 22304), (136, 13940), (160, 11849), (164, 11560), (170, 11152), (205, 9248), (272, 6970), (289, 6560), (328, 5780), (340, 5576), (410, 4624), (544, 3485), (578, 3280), (656, 2890), (680, 2788), (697, 2720), (820, 2312), (1156, 1640), (1312, 1445), (1360, 1394)]