25245272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 54885600

約数和(自身を除く): 29640328

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 109, 131, 136, 218, 221, 262, 436, 442, 524, 872, 884, 1048, 1417, 1703, 1768, 1853, 2227, 2834, 3406, 3706, 4454, 5668, 6812, 7412, 8908, 11336, 13624, 14279, 14824, 17816, 24089, 28558, 28951, 48178, 57116, 57902, 96356, 114232, 115804, 185627, 192712, 231608, 242743, 371254, 485486, 742508, 970972, 1485016, 1941944, 3155659, 6311318, 12622636, 25245272]

約数ペア:

[(1, 25245272), (2, 12622636), (4, 6311318), (8, 3155659), (13, 1941944), (17, 1485016), (26, 970972), (34, 742508), (52, 485486), (68, 371254), (104, 242743), (109, 231608), (131, 192712), (136, 185627), (218, 115804), (221, 114232), (262, 96356), (436, 57902), (442, 57116), (524, 48178), (872, 28951), (884, 28558), (1048, 24089), (1417, 17816), (1703, 14824), (1768, 14279), (1853, 13624), (2227, 11336), (2834, 8908), (3406, 7412), (3706, 6812), (4454, 5668)]