25285520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{593}}^1$

素因数の和:660

約数の個数: 80

約数和(自身を含む): 64964592

約数和(自身を除く): 39679072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 593, 656, 820, 1040, 1066, 1186, 1640, 2132, 2372, 2665, 2965, 3280, 4264, 4744, 5330, 5930, 7709, 8528, 9488, 10660, 11860, 15418, 21320, 23720, 24313, 30836, 38545, 42640, 47440, 48626, 61672, 77090, 97252, 121565, 123344, 154180, 194504, 243130, 308360, 316069, 389008, 486260, 616720, 632138, 972520, 1264276, 1580345, 1945040, 2528552, 3160690, 5057104, 6321380, 12642760, 25285520]

約数ペア:

[(1, 25285520), (2, 12642760), (4, 6321380), (5, 5057104), (8, 3160690), (10, 2528552), (13, 1945040), (16, 1580345), (20, 1264276), (26, 972520), (40, 632138), (41, 616720), (52, 486260), (65, 389008), (80, 316069), (82, 308360), (104, 243130), (130, 194504), (164, 154180), (205, 123344), (208, 121565), (260, 97252), (328, 77090), (410, 61672), (520, 48626), (533, 47440), (593, 42640), (656, 38545), (820, 30836), (1040, 24313), (1066, 23720), (1186, 21320), (1640, 15418), (2132, 11860), (2372, 10660), (2665, 9488), (2965, 8528), (3280, 7709), (4264, 5930), (4744, 5330)]