25261040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:670

約数の個数: 80

約数和(自身を含む): 68090880

約数和(自身を除く): 42829840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 571, 632, 790, 1106, 1142, 1264, 1580, 2212, 2284, 2765, 2855, 3160, 3997, 4424, 4568, 5530, 5710, 6320, 7994, 8848, 9136, 11060, 11420, 15988, 19985, 22120, 22840, 31976, 39970, 44240, 45109, 45680, 63952, 79940, 90218, 159880, 180436, 225545, 315763, 319760, 360872, 451090, 631526, 721744, 902180, 1263052, 1578815, 1804360, 2526104, 3157630, 3608720, 5052208, 6315260, 12630520, 25261040]

約数ペア:

[(1, 25261040), (2, 12630520), (4, 6315260), (5, 5052208), (7, 3608720), (8, 3157630), (10, 2526104), (14, 1804360), (16, 1578815), (20, 1263052), (28, 902180), (35, 721744), (40, 631526), (56, 451090), (70, 360872), (79, 319760), (80, 315763), (112, 225545), (140, 180436), (158, 159880), (280, 90218), (316, 79940), (395, 63952), (553, 45680), (560, 45109), (571, 44240), (632, 39970), (790, 31976), (1106, 22840), (1142, 22120), (1264, 19985), (1580, 15988), (2212, 11420), (2284, 11060), (2765, 9136), (2855, 8848), (3160, 7994), (3997, 6320), (4424, 5710), (4568, 5530)]