40290080

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8123}}^1$

素因数の和:8169

約数の個数: 48

約数和(自身を含む): 98267904

約数和(自身を除く): 57977824

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, 8123, 16246, 32492, 40615, 64984, 81230, 129968, 162460, 251813, 259936, 324920, 503626, 649840, 1007252, 1259065, 1299680, 2014504, 2518130, 4029008, 5036260, 8058016, 10072520, 20145040, 40290080]

約数ペア:

[(1, 40290080), (2, 20145040), (4, 10072520), (5, 8058016), (8, 5036260), (10, 4029008), (16, 2518130), (20, 2014504), (31, 1299680), (32, 1259065), (40, 1007252), (62, 649840), (80, 503626), (124, 324920), (155, 259936), (160, 251813), (248, 162460), (310, 129968), (496, 81230), (620, 64984), (992, 40615), (1240, 32492), (2480, 16246), (4960, 8123)]