25179940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 60318720

約数和(自身を除く): 35138780

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 43, 46, 67, 76, 86, 92, 95, 115, 134, 172, 190, 215, 230, 268, 335, 380, 430, 437, 460, 670, 817, 860, 874, 989, 1273, 1340, 1541, 1634, 1748, 1978, 2185, 2546, 2881, 3082, 3268, 3956, 4085, 4370, 4945, 5092, 5762, 6164, 6365, 7705, 8170, 8740, 9890, 11524, 12730, 14405, 15410, 16340, 18791, 19780, 25460, 28810, 29279, 30820, 37582, 54739, 57620, 58558, 66263, 75164, 93955, 109478, 117116, 132526, 146395, 187910, 218956, 265052, 273695, 292790, 331315, 375820, 547390, 585580, 662630, 1094780, 1258997, 1325260, 2517994, 5035988, 6294985, 12589970, 25179940]

約数ペア:

[(1, 25179940), (2, 12589970), (4, 6294985), (5, 5035988), (10, 2517994), (19, 1325260), (20, 1258997), (23, 1094780), (38, 662630), (43, 585580), (46, 547390), (67, 375820), (76, 331315), (86, 292790), (92, 273695), (95, 265052), (115, 218956), (134, 187910), (172, 146395), (190, 132526), (215, 117116), (230, 109478), (268, 93955), (335, 75164), (380, 66263), (430, 58558), (437, 57620), (460, 54739), (670, 37582), (817, 30820), (860, 29279), (874, 28810), (989, 25460), (1273, 19780), (1340, 18791), (1541, 16340), (1634, 15410), (1748, 14405), (1978, 12730), (2185, 11524), (2546, 9890), (2881, 8740), (3082, 8170), (3268, 7705), (3956, 6365), (4085, 6164), (4370, 5762), (4945, 5092)]