25528120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 60588000

約数和(自身を除く): 35059880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 59, 116, 118, 145, 232, 236, 290, 295, 373, 472, 580, 590, 746, 1160, 1180, 1492, 1711, 1865, 2360, 2984, 3422, 3730, 6844, 7460, 8555, 10817, 13688, 14920, 17110, 21634, 22007, 34220, 43268, 44014, 54085, 68440, 86536, 88028, 108170, 110035, 176056, 216340, 220070, 432680, 440140, 638203, 880280, 1276406, 2552812, 3191015, 5105624, 6382030, 12764060, 25528120]

約数ペア:

[(1, 25528120), (2, 12764060), (4, 6382030), (5, 5105624), (8, 3191015), (10, 2552812), (20, 1276406), (29, 880280), (40, 638203), (58, 440140), (59, 432680), (116, 220070), (118, 216340), (145, 176056), (232, 110035), (236, 108170), (290, 88028), (295, 86536), (373, 68440), (472, 54085), (580, 44014), (590, 43268), (746, 34220), (1160, 22007), (1180, 21634), (1492, 17110), (1711, 14920), (1865, 13688), (2360, 10817), (2984, 8555), (3422, 7460), (3730, 6844)]