40016470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{953}}^1$

素因数の和:1009

約数の個数: 64

約数和(自身を含む): 86546880

約数和(自身を除く): 46530410

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 953, 1105, 1235, 1615, 1906, 2210, 2470, 3230, 4199, 4765, 8398, 9530, 12389, 16201, 18107, 20995, 24778, 32402, 36214, 41990, 61945, 81005, 90535, 123890, 162010, 181070, 210613, 235391, 307819, 421226, 470782, 615638, 1053065, 1176955, 1539095, 2106130, 2353910, 3078190, 4001647, 8003294, 20008235, 40016470]

約数ペア:

[(1, 40016470), (2, 20008235), (5, 8003294), (10, 4001647), (13, 3078190), (17, 2353910), (19, 2106130), (26, 1539095), (34, 1176955), (38, 1053065), (65, 615638), (85, 470782), (95, 421226), (130, 307819), (170, 235391), (190, 210613), (221, 181070), (247, 162010), (323, 123890), (442, 90535), (494, 81005), (646, 61945), (953, 41990), (1105, 36214), (1235, 32402), (1615, 24778), (1906, 20995), (2210, 18107), (2470, 16201), (3230, 12389), (4199, 9530), (4765, 8398)]