401132560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8513}}^1$

素因数の和:8576

約数の個数: 80

約数和(自身を含む): 1013506560

約数和(自身を除く): 612374000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 8513, 9424, 11780, 17026, 23560, 34052, 42565, 47120, 68104, 85130, 136208, 161747, 170260, 263903, 323494, 340520, 527806, 646988, 681040, 808735, 1055612, 1293976, 1319515, 1617470, 2111224, 2587952, 2639030, 3234940, 4222448, 5014157, 5278060, 6469880, 10028314, 10556120, 12939760, 20056628, 21112240, 25070785, 40113256, 50141570, 80226512, 100283140, 200566280, 401132560]

約数ペア:

[(1, 401132560), (2, 200566280), (4, 100283140), (5, 80226512), (8, 50141570), (10, 40113256), (16, 25070785), (19, 21112240), (20, 20056628), (31, 12939760), (38, 10556120), (40, 10028314), (62, 6469880), (76, 5278060), (80, 5014157), (95, 4222448), (124, 3234940), (152, 2639030), (155, 2587952), (190, 2111224), (248, 1617470), (304, 1319515), (310, 1293976), (380, 1055612), (496, 808735), (589, 681040), (620, 646988), (760, 527806), (1178, 340520), (1240, 323494), (1520, 263903), (2356, 170260), (2480, 161747), (2945, 136208), (4712, 85130), (5890, 68104), (8513, 47120), (9424, 42565), (11780, 34052), (17026, 23560)]