90200080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{983}}^1$

素因数の和:1064

約数の個数: 80

約数和(自身を含む): 222557184

約数和(自身を除く): 132357104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 983, 1147, 1240, 1480, 1966, 2294, 2480, 2960, 3932, 4588, 4915, 5735, 7864, 9176, 9830, 11470, 15728, 18352, 19660, 22940, 30473, 36371, 39320, 45880, 60946, 72742, 78640, 91760, 121892, 145484, 152365, 181855, 243784, 290968, 304730, 363710, 487568, 581936, 609460, 727420, 1127501, 1218920, 1454840, 2255002, 2437840, 2909680, 4510004, 5637505, 9020008, 11275010, 18040016, 22550020, 45100040, 90200080]

約数ペア:

[(1, 90200080), (2, 45100040), (4, 22550020), (5, 18040016), (8, 11275010), (10, 9020008), (16, 5637505), (20, 4510004), (31, 2909680), (37, 2437840), (40, 2255002), (62, 1454840), (74, 1218920), (80, 1127501), (124, 727420), (148, 609460), (155, 581936), (185, 487568), (248, 363710), (296, 304730), (310, 290968), (370, 243784), (496, 181855), (592, 152365), (620, 145484), (740, 121892), (983, 91760), (1147, 78640), (1240, 72742), (1480, 60946), (1966, 45880), (2294, 39320), (2480, 36371), (2960, 30473), (3932, 22940), (4588, 19660), (4915, 18352), (5735, 15728), (7864, 11470), (9176, 9830)]