201472720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{81239}}^1$

素因数の和:81283

約数の個数: 40

約数和(自身を含む): 483540480

約数和(自身を除く): 282067760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 81239, 162478, 324956, 406195, 649912, 812390, 1299824, 1624780, 2518409, 3249560, 5036818, 6499120, 10073636, 12592045, 20147272, 25184090, 40294544, 50368180, 100736360, 201472720]

約数ペア:

[(1, 201472720), (2, 100736360), (4, 50368180), (5, 40294544), (8, 25184090), (10, 20147272), (16, 12592045), (20, 10073636), (31, 6499120), (40, 5036818), (62, 3249560), (80, 2518409), (124, 1624780), (155, 1299824), (248, 812390), (310, 649912), (496, 406195), (620, 324956), (1240, 162478), (2480, 81239)]