39148040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 91998720

約数和(自身を除く): 52850680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 131, 155, 241, 248, 262, 310, 482, 524, 620, 655, 964, 1048, 1205, 1240, 1310, 1928, 2410, 2620, 4061, 4820, 5240, 7471, 8122, 9640, 14942, 16244, 20305, 29884, 31571, 32488, 37355, 40610, 59768, 63142, 74710, 81220, 126284, 149420, 157855, 162440, 252568, 298840, 315710, 631420, 978701, 1262840, 1957402, 3914804, 4893505, 7829608, 9787010, 19574020, 39148040]

約数ペア:

[(1, 39148040), (2, 19574020), (4, 9787010), (5, 7829608), (8, 4893505), (10, 3914804), (20, 1957402), (31, 1262840), (40, 978701), (62, 631420), (124, 315710), (131, 298840), (155, 252568), (241, 162440), (248, 157855), (262, 149420), (310, 126284), (482, 81220), (524, 74710), (620, 63142), (655, 59768), (964, 40610), (1048, 37355), (1205, 32488), (1240, 31571), (1310, 29884), (1928, 20305), (2410, 16244), (2620, 14942), (4061, 9640), (4820, 8122), (5240, 7471)]