40228768

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:665

約数の個数: 48

約数和(自身を含む): 82822824

約数和(自身を除く): 42594056

約数列:

[1, 2, 4, 8, 16, 32, 37, 61, 74, 122, 148, 244, 296, 488, 557, 592, 976, 1114, 1184, 1952, 2228, 2257, 4456, 4514, 8912, 9028, 17824, 18056, 20609, 33977, 36112, 41218, 67954, 72224, 82436, 135908, 164872, 271816, 329744, 543632, 659488, 1087264, 1257149, 2514298, 5028596, 10057192, 20114384, 40228768]

約数ペア:

[(1, 40228768), (2, 20114384), (4, 10057192), (8, 5028596), (16, 2514298), (32, 1257149), (37, 1087264), (61, 659488), (74, 543632), (122, 329744), (148, 271816), (244, 164872), (296, 135908), (488, 82436), (557, 72224), (592, 67954), (976, 41218), (1114, 36112), (1184, 33977), (1952, 20609), (2228, 18056), (2257, 17824), (4456, 9028), (4514, 8912)]