78296080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 190130688

約数和(自身を除く): 111834608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 131, 155, 241, 248, 262, 310, 482, 496, 524, 620, 655, 964, 1048, 1205, 1240, 1310, 1928, 2096, 2410, 2480, 2620, 3856, 4061, 4820, 5240, 7471, 8122, 9640, 10480, 14942, 16244, 19280, 20305, 29884, 31571, 32488, 37355, 40610, 59768, 63142, 64976, 74710, 81220, 119536, 126284, 149420, 157855, 162440, 252568, 298840, 315710, 324880, 505136, 597680, 631420, 978701, 1262840, 1957402, 2525680, 3914804, 4893505, 7829608, 9787010, 15659216, 19574020, 39148040, 78296080]

約数ペア:

[(1, 78296080), (2, 39148040), (4, 19574020), (5, 15659216), (8, 9787010), (10, 7829608), (16, 4893505), (20, 3914804), (31, 2525680), (40, 1957402), (62, 1262840), (80, 978701), (124, 631420), (131, 597680), (155, 505136), (241, 324880), (248, 315710), (262, 298840), (310, 252568), (482, 162440), (496, 157855), (524, 149420), (620, 126284), (655, 119536), (964, 81220), (1048, 74710), (1205, 64976), (1240, 63142), (1310, 59768), (1928, 40610), (2096, 37355), (2410, 32488), (2480, 31571), (2620, 29884), (3856, 20305), (4061, 19280), (4820, 16244), (5240, 14942), (7471, 10480), (8122, 9640)]