81150560

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16361}}^1$

素因数の和:16407

約数の個数: 48

約数和(自身を含む): 197914752

約数和(自身を除く): 116764192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 16361, 32722, 65444, 81805, 130888, 163610, 261776, 327220, 507191, 523552, 654440, 1014382, 1308880, 2028764, 2535955, 2617760, 4057528, 5071910, 8115056, 10143820, 16230112, 20287640, 40575280, 81150560]

約数ペア:

[(1, 81150560), (2, 40575280), (4, 20287640), (5, 16230112), (8, 10143820), (10, 8115056), (16, 5071910), (20, 4057528), (31, 2617760), (32, 2535955), (40, 2028764), (62, 1308880), (80, 1014382), (124, 654440), (155, 523552), (160, 507191), (248, 327220), (310, 261776), (496, 163610), (620, 130888), (992, 81805), (1240, 65444), (2480, 32722), (4960, 16361)]