198132160

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19973}}^1$

素因数の和:20021

約数の個数: 56

約数和(自身を含む): 487046016

約数和(自身を除く): 288913856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 19973, 39946, 79892, 99865, 159784, 199730, 319568, 399460, 619163, 639136, 798920, 1238326, 1278272, 1597840, 2476652, 3095815, 3195680, 4953304, 6191630, 6391360, 9906608, 12383260, 19813216, 24766520, 39626432, 49533040, 99066080, 198132160]

約数ペア:

[(1, 198132160), (2, 99066080), (4, 49533040), (5, 39626432), (8, 24766520), (10, 19813216), (16, 12383260), (20, 9906608), (31, 6391360), (32, 6191630), (40, 4953304), (62, 3195680), (64, 3095815), (80, 2476652), (124, 1597840), (155, 1278272), (160, 1238326), (248, 798920), (310, 639136), (320, 619163), (496, 399460), (620, 319568), (992, 199730), (1240, 159784), (1984, 99865), (2480, 79892), (4960, 39946), (9920, 19973)]