4948840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 12418560

約数和(自身を除く): 7469720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 307, 310, 403, 520, 614, 620, 806, 1228, 1240, 1535, 1612, 2015, 2456, 3070, 3224, 3991, 4030, 6140, 7982, 8060, 9517, 12280, 15964, 16120, 19034, 19955, 31928, 38068, 39910, 47585, 76136, 79820, 95170, 123721, 159640, 190340, 247442, 380680, 494884, 618605, 989768, 1237210, 2474420, 4948840]

約数ペア:

[(1, 4948840), (2, 2474420), (4, 1237210), (5, 989768), (8, 618605), (10, 494884), (13, 380680), (20, 247442), (26, 190340), (31, 159640), (40, 123721), (52, 95170), (62, 79820), (65, 76136), (104, 47585), (124, 39910), (130, 38068), (155, 31928), (248, 19955), (260, 19034), (307, 16120), (310, 15964), (403, 12280), (520, 9517), (614, 8060), (620, 7982), (806, 6140), (1228, 4030), (1240, 3991), (1535, 3224), (1612, 3070), (2015, 2456)]