13501120

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1361}}^1$

素因数の和:1409

約数の個数: 56

約数和(自身を含む): 33211008

約数和(自身を除く): 19709888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1361, 1984, 2480, 2722, 4960, 5444, 6805, 9920, 10888, 13610, 21776, 27220, 42191, 43552, 54440, 84382, 87104, 108880, 168764, 210955, 217760, 337528, 421910, 435520, 675056, 843820, 1350112, 1687640, 2700224, 3375280, 6750560, 13501120]

約数ペア:

[(1, 13501120), (2, 6750560), (4, 3375280), (5, 2700224), (8, 1687640), (10, 1350112), (16, 843820), (20, 675056), (31, 435520), (32, 421910), (40, 337528), (62, 217760), (64, 210955), (80, 168764), (124, 108880), (155, 87104), (160, 84382), (248, 54440), (310, 43552), (320, 42191), (496, 27220), (620, 21776), (992, 13610), (1240, 10888), (1361, 9920), (1984, 6805), (2480, 5444), (2722, 4960)]