40377220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1601}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 92313648

約数和(自身を除く): 51936428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1261, 1601, 1940, 2522, 3202, 5044, 6305, 6404, 8005, 12610, 16010, 20813, 25220, 32020, 41626, 83252, 104065, 155297, 208130, 310594, 416260, 621188, 776485, 1552970, 2018861, 3105940, 4037722, 8075444, 10094305, 20188610, 40377220]

約数ペア:

[(1, 40377220), (2, 20188610), (4, 10094305), (5, 8075444), (10, 4037722), (13, 3105940), (20, 2018861), (26, 1552970), (52, 776485), (65, 621188), (97, 416260), (130, 310594), (194, 208130), (260, 155297), (388, 104065), (485, 83252), (970, 41626), (1261, 32020), (1601, 25220), (1940, 20813), (2522, 16010), (3202, 12610), (5044, 8005), (6305, 6404)]