102778640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41443}}^1$

素因数の和:41487

約数の個数: 40

約数和(自身を含む): 246674688

約数和(自身を除く): 143896048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 41443, 82886, 165772, 207215, 331544, 414430, 663088, 828860, 1284733, 1657720, 2569466, 3315440, 5138932, 6423665, 10277864, 12847330, 20555728, 25694660, 51389320, 102778640]

約数ペア:

[(1, 102778640), (2, 51389320), (4, 25694660), (5, 20555728), (8, 12847330), (10, 10277864), (16, 6423665), (20, 5138932), (31, 3315440), (40, 2569466), (62, 1657720), (80, 1284733), (124, 828860), (155, 663088), (248, 414430), (310, 331544), (496, 207215), (620, 165772), (1240, 82886), (2480, 41443)]