25238920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 67305600

約数和(自身を除く): 42066680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 79, 98, 140, 158, 163, 196, 245, 280, 316, 326, 392, 395, 490, 553, 632, 652, 790, 815, 980, 1106, 1141, 1304, 1580, 1630, 1960, 2212, 2282, 2765, 3160, 3260, 3871, 4424, 4564, 5530, 5705, 6520, 7742, 7987, 9128, 11060, 11410, 12877, 15484, 15974, 19355, 22120, 22820, 25754, 30968, 31948, 38710, 39935, 45640, 51508, 63896, 64385, 77420, 79870, 90139, 103016, 128770, 154840, 159740, 180278, 257540, 319480, 360556, 450695, 515080, 630973, 721112, 901390, 1261946, 1802780, 2523892, 3154865, 3605560, 5047784, 6309730, 12619460, 25238920]

約数ペア:

[(1, 25238920), (2, 12619460), (4, 6309730), (5, 5047784), (7, 3605560), (8, 3154865), (10, 2523892), (14, 1802780), (20, 1261946), (28, 901390), (35, 721112), (40, 630973), (49, 515080), (56, 450695), (70, 360556), (79, 319480), (98, 257540), (140, 180278), (158, 159740), (163, 154840), (196, 128770), (245, 103016), (280, 90139), (316, 79870), (326, 77420), (392, 64385), (395, 63896), (490, 51508), (553, 45640), (632, 39935), (652, 38710), (790, 31948), (815, 30968), (980, 25754), (1106, 22820), (1141, 22120), (1304, 19355), (1580, 15974), (1630, 15484), (1960, 12877), (2212, 11410), (2282, 11060), (2765, 9128), (3160, 7987), (3260, 7742), (3871, 6520), (4424, 5705), (4564, 5530)]