27938440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22531}}^1$

素因数の和:22573

約数の個数: 32

約数和(自身を含む): 64892160

約数和(自身を除く): 36953720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 22531, 45062, 90124, 112655, 180248, 225310, 450620, 698461, 901240, 1396922, 2793844, 3492305, 5587688, 6984610, 13969220, 27938440]

約数ペア:

[(1, 27938440), (2, 13969220), (4, 6984610), (5, 5587688), (8, 3492305), (10, 2793844), (20, 1396922), (31, 901240), (40, 698461), (62, 450620), (124, 225310), (155, 180248), (248, 112655), (310, 90124), (620, 45062), (1240, 22531)]