40031290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{853}}^1$

素因数の和:911

約数の個数: 48

約数和(自身を含む): 81994248

約数和(自身を除く): 41962958

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 361, 494, 722, 853, 1235, 1706, 1805, 2470, 3610, 4265, 4693, 8530, 9386, 11089, 16207, 22178, 23465, 32414, 46930, 55445, 81035, 110890, 162070, 210691, 307933, 421382, 615866, 1053455, 1539665, 2106910, 3079330, 4003129, 8006258, 20015645, 40031290]

約数ペア:

[(1, 40031290), (2, 20015645), (5, 8006258), (10, 4003129), (13, 3079330), (19, 2106910), (26, 1539665), (38, 1053455), (65, 615866), (95, 421382), (130, 307933), (190, 210691), (247, 162070), (361, 110890), (494, 81035), (722, 55445), (853, 46930), (1235, 32414), (1706, 23465), (1805, 22178), (2470, 16207), (3610, 11089), (4265, 9386), (4693, 8530)]