40885280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8243}}^1$

素因数の和:8289

約数の個数: 48

約数和(自身を含む): 99719424

約数和(自身を除く): 58834144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 8243, 16486, 32972, 41215, 65944, 82430, 131888, 164860, 255533, 263776, 329720, 511066, 659440, 1022132, 1277665, 1318880, 2044264, 2555330, 4088528, 5110660, 8177056, 10221320, 20442640, 40885280]

約数ペア:

[(1, 40885280), (2, 20442640), (4, 10221320), (5, 8177056), (8, 5110660), (10, 4088528), (16, 2555330), (20, 2044264), (31, 1318880), (32, 1277665), (40, 1022132), (62, 659440), (80, 511066), (124, 329720), (155, 263776), (160, 255533), (248, 164860), (310, 131888), (496, 82430), (620, 65944), (992, 41215), (1240, 32972), (2480, 16486), (4960, 8243)]