31243040

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6299}}^1$

素因数の和:6345

約数の個数: 48

約数和(自身を含む): 76204800

約数和(自身を除く): 44961760

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, 6299, 12598, 25196, 31495, 50392, 62990, 100784, 125980, 195269, 201568, 251960, 390538, 503920, 781076, 976345, 1007840, 1562152, 1952690, 3124304, 3905380, 6248608, 7810760, 15621520, 31243040]

約数ペア:

[(1, 31243040), (2, 15621520), (4, 7810760), (5, 6248608), (8, 3905380), (10, 3124304), (16, 1952690), (20, 1562152), (31, 1007840), (32, 976345), (40, 781076), (62, 503920), (80, 390538), (124, 251960), (155, 201568), (160, 195269), (248, 125980), (310, 100784), (496, 62990), (620, 50392), (992, 31495), (1240, 25196), (2480, 12598), (4960, 6299)]