25015840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{541}}^1$

素因数の和:590

約数の個数: 72

約数和(自身を含む): 62896932

約数和(自身を除く): 37881092

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 541, 544, 578, 680, 1082, 1156, 1360, 1445, 2164, 2312, 2705, 2720, 2890, 4328, 4624, 5410, 5780, 8656, 9197, 9248, 10820, 11560, 17312, 18394, 21640, 23120, 36788, 43280, 45985, 46240, 73576, 86560, 91970, 147152, 156349, 183940, 294304, 312698, 367880, 625396, 735760, 781745, 1250792, 1471520, 1563490, 2501584, 3126980, 5003168, 6253960, 12507920, 25015840]

約数ペア:

[(1, 25015840), (2, 12507920), (4, 6253960), (5, 5003168), (8, 3126980), (10, 2501584), (16, 1563490), (17, 1471520), (20, 1250792), (32, 781745), (34, 735760), (40, 625396), (68, 367880), (80, 312698), (85, 294304), (136, 183940), (160, 156349), (170, 147152), (272, 91970), (289, 86560), (340, 73576), (541, 46240), (544, 45985), (578, 43280), (680, 36788), (1082, 23120), (1156, 21640), (1360, 18394), (1445, 17312), (2164, 11560), (2312, 10820), (2705, 9248), (2720, 9197), (2890, 8656), (4328, 5780), (4624, 5410)]