28237280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5693}}^1$

素因数の和:5739

約数の個数: 48

約数和(自身を含む): 68874624

約数和(自身を除く): 40637344

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, 5693, 11386, 22772, 28465, 45544, 56930, 91088, 113860, 176483, 182176, 227720, 352966, 455440, 705932, 882415, 910880, 1411864, 1764830, 2823728, 3529660, 5647456, 7059320, 14118640, 28237280]

約数ペア:

[(1, 28237280), (2, 14118640), (4, 7059320), (5, 5647456), (8, 3529660), (10, 2823728), (16, 1764830), (20, 1411864), (31, 910880), (32, 882415), (40, 705932), (62, 455440), (80, 352966), (124, 227720), (155, 182176), (160, 176483), (248, 113860), (310, 91088), (496, 56930), (620, 45544), (992, 28465), (1240, 22772), (2480, 11386), (4960, 5693)]