201755440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{81353}}^1$

素因数の和:81397

約数の個数: 40

約数和(自身を含む): 484219008

約数和(自身を除く): 282463568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 81353, 162706, 325412, 406765, 650824, 813530, 1301648, 1627060, 2521943, 3254120, 5043886, 6508240, 10087772, 12609715, 20175544, 25219430, 40351088, 50438860, 100877720, 201755440]

約数ペア:

[(1, 201755440), (2, 100877720), (4, 50438860), (5, 40351088), (8, 25219430), (10, 20175544), (16, 12609715), (20, 10087772), (31, 6508240), (40, 5043886), (62, 3254120), (80, 2521943), (124, 1627060), (155, 1301648), (248, 813530), (310, 650824), (496, 406765), (620, 325412), (1240, 162706), (2480, 81353)]