20238970480

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1\times {\mathrm{9649}}^1$

素因数の和:9986

約数の個数: 80

約数和(自身を含む): 47643825600

約数和(自身を除く): 27404855120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 167, 314, 334, 628, 668, 785, 835, 1256, 1336, 1570, 1670, 2512, 2672, 3140, 3340, 6280, 6680, 9649, 12560, 13360, 19298, 26219, 38596, 48245, 52438, 77192, 96490, 104876, 131095, 154384, 192980, 209752, 262190, 385960, 419504, 524380, 771920, 1048760, 1514893, 1611383, 2097520, 3029786, 3222766, 6059572, 6445532, 7574465, 8056915, 12119144, 12891064, 15148930, 16113830, 24238288, 25782128, 30297860, 32227660, 60595720, 64455320, 121191440, 128910640, 252987131, 505974262, 1011948524, 1264935655, 2023897048, 2529871310, 4047794096, 5059742620, 10119485240, 20238970480]

約数ペア:

[(1, 20238970480), (2, 10119485240), (4, 5059742620), (5, 4047794096), (8, 2529871310), (10, 2023897048), (16, 1264935655), (20, 1011948524), (40, 505974262), (80, 252987131), (157, 128910640), (167, 121191440), (314, 64455320), (334, 60595720), (628, 32227660), (668, 30297860), (785, 25782128), (835, 24238288), (1256, 16113830), (1336, 15148930), (1570, 12891064), (1670, 12119144), (2512, 8056915), (2672, 7574465), (3140, 6445532), (3340, 6059572), (6280, 3222766), (6680, 3029786), (9649, 2097520), (12560, 1611383), (13360, 1514893), (19298, 1048760), (26219, 771920), (38596, 524380), (48245, 419504), (52438, 385960), (77192, 262190), (96490, 209752), (104876, 192980), (131095, 154384)]