42101720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1787}}^1$

素因数の和:1848

約数の個数: 64

約数和(自身を含む): 102988800

約数和(自身を除く): 60887080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 1787, 2356, 2945, 3574, 4712, 5890, 7148, 8935, 11780, 14296, 17870, 23560, 33953, 35740, 55397, 67906, 71480, 110794, 135812, 169765, 221588, 271624, 276985, 339530, 443176, 553970, 679060, 1052543, 1107940, 1358120, 2105086, 2215880, 4210172, 5262715, 8420344, 10525430, 21050860, 42101720]

約数ペア:

[(1, 42101720), (2, 21050860), (4, 10525430), (5, 8420344), (8, 5262715), (10, 4210172), (19, 2215880), (20, 2105086), (31, 1358120), (38, 1107940), (40, 1052543), (62, 679060), (76, 553970), (95, 443176), (124, 339530), (152, 276985), (155, 271624), (190, 221588), (248, 169765), (310, 135812), (380, 110794), (589, 71480), (620, 67906), (760, 55397), (1178, 35740), (1240, 33953), (1787, 23560), (2356, 17870), (2945, 14296), (3574, 11780), (4712, 8935), (5890, 7148)]