520017920

素因数分解:

$2^{11}\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1181}}^1$

素因数の和:1251

約数の個数: 96

約数和(自身を含む): 1277836560

約数和(自身を除く): 757818640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 512, 640, 688, 860, 1024, 1181, 1280, 1376, 1720, 2048, 2362, 2560, 2752, 3440, 4724, 5120, 5504, 5905, 6880, 9448, 10240, 11008, 11810, 13760, 18896, 22016, 23620, 27520, 37792, 44032, 47240, 50783, 55040, 75584, 88064, 94480, 101566, 110080, 151168, 188960, 203132, 220160, 253915, 302336, 377920, 406264, 440320, 507830, 604672, 755840, 812528, 1015660, 1209344, 1511680, 1625056, 2031320, 2418688, 3023360, 3250112, 4062640, 6046720, 6500224, 8125280, 12093440, 13000448, 16250560, 26000896, 32501120, 52001792, 65002240, 104003584, 130004480, 260008960, 520017920]

約数ペア:

[(1, 520017920), (2, 260008960), (4, 130004480), (5, 104003584), (8, 65002240), (10, 52001792), (16, 32501120), (20, 26000896), (32, 16250560), (40, 13000448), (43, 12093440), (64, 8125280), (80, 6500224), (86, 6046720), (128, 4062640), (160, 3250112), (172, 3023360), (215, 2418688), (256, 2031320), (320, 1625056), (344, 1511680), (430, 1209344), (512, 1015660), (640, 812528), (688, 755840), (860, 604672), (1024, 507830), (1181, 440320), (1280, 406264), (1376, 377920), (1720, 302336), (2048, 253915), (2362, 220160), (2560, 203132), (2752, 188960), (3440, 151168), (4724, 110080), (5120, 101566), (5504, 94480), (5905, 88064), (6880, 75584), (9448, 55040), (10240, 50783), (11008, 47240), (11810, 44032), (13760, 37792), (18896, 27520), (22016, 23620)]