2013128840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1\times {\mathrm{2377}}^1$

素因数の和:3102

約数の個数: 64

約数和(自身を含む): 4684469760

約数和(自身を除く): 2671340920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 683, 1240, 1366, 2377, 2732, 3415, 4754, 5464, 6830, 9508, 11885, 13660, 19016, 21173, 23770, 27320, 42346, 47540, 73687, 84692, 95080, 105865, 147374, 169384, 211730, 294748, 368435, 423460, 589496, 736870, 846920, 1473740, 1623491, 2947480, 3246982, 6493964, 8117455, 12987928, 16234910, 32469820, 50328221, 64939640, 100656442, 201312884, 251641105, 402625768, 503282210, 1006564420, 2013128840]

約数ペア:

[(1, 2013128840), (2, 1006564420), (4, 503282210), (5, 402625768), (8, 251641105), (10, 201312884), (20, 100656442), (31, 64939640), (40, 50328221), (62, 32469820), (124, 16234910), (155, 12987928), (248, 8117455), (310, 6493964), (620, 3246982), (683, 2947480), (1240, 1623491), (1366, 1473740), (2377, 846920), (2732, 736870), (3415, 589496), (4754, 423460), (5464, 368435), (6830, 294748), (9508, 211730), (11885, 169384), (13660, 147374), (19016, 105865), (21173, 95080), (23770, 84692), (27320, 73687), (42346, 47540)]