25710320

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:282

約数の個数: 80

約数和(自身を含む): 63478080

約数和(自身を除く): 37767760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 89, 92, 115, 157, 178, 184, 230, 314, 356, 368, 445, 460, 628, 712, 785, 890, 920, 1256, 1424, 1570, 1780, 1840, 2047, 2512, 3140, 3560, 3611, 4094, 6280, 7120, 7222, 8188, 10235, 12560, 13973, 14444, 16376, 18055, 20470, 27946, 28888, 32752, 36110, 40940, 55892, 57776, 69865, 72220, 81880, 111784, 139730, 144440, 163760, 223568, 279460, 288880, 321379, 558920, 642758, 1117840, 1285516, 1606895, 2571032, 3213790, 5142064, 6427580, 12855160, 25710320]

約数ペア:

[(1, 25710320), (2, 12855160), (4, 6427580), (5, 5142064), (8, 3213790), (10, 2571032), (16, 1606895), (20, 1285516), (23, 1117840), (40, 642758), (46, 558920), (80, 321379), (89, 288880), (92, 279460), (115, 223568), (157, 163760), (178, 144440), (184, 139730), (230, 111784), (314, 81880), (356, 72220), (368, 69865), (445, 57776), (460, 55892), (628, 40940), (712, 36110), (785, 32752), (890, 28888), (920, 27946), (1256, 20470), (1424, 18055), (1570, 16376), (1780, 14444), (1840, 13973), (2047, 12560), (2512, 10235), (3140, 8188), (3560, 7222), (3611, 7120), (4094, 6280)]