25023830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:130

約数の個数: 64

約数和(自身を含む): 52436160

約数和(自身を除く): 27412330

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 67, 85, 130, 134, 169, 170, 221, 335, 338, 442, 670, 845, 871, 1105, 1139, 1690, 1742, 2197, 2210, 2278, 2873, 4355, 4394, 5695, 5746, 8710, 10985, 11323, 11390, 14365, 14807, 21970, 22646, 28730, 29614, 37349, 56615, 74035, 74698, 113230, 147199, 148070, 186745, 192491, 294398, 373490, 384982, 735995, 962455, 1471990, 1924910, 2502383, 5004766, 12511915, 25023830]

約数ペア:

[(1, 25023830), (2, 12511915), (5, 5004766), (10, 2502383), (13, 1924910), (17, 1471990), (26, 962455), (34, 735995), (65, 384982), (67, 373490), (85, 294398), (130, 192491), (134, 186745), (169, 148070), (170, 147199), (221, 113230), (335, 74698), (338, 74035), (442, 56615), (670, 37349), (845, 29614), (871, 28730), (1105, 22646), (1139, 21970), (1690, 14807), (1742, 14365), (2197, 11390), (2210, 11323), (2278, 10985), (2873, 8710), (4355, 5746), (4394, 5695)]