258758240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4013}}^1$

素因数の和:4072

約数の個数: 96

約数和(自身を含む): 679746816

約数和(自身を除く): 420988576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 496, 520, 620, 806, 992, 1040, 1240, 1612, 2015, 2080, 2480, 3224, 4013, 4030, 4960, 6448, 8026, 8060, 12896, 16052, 16120, 20065, 32104, 32240, 40130, 52169, 64208, 64480, 80260, 104338, 124403, 128416, 160520, 208676, 248806, 260845, 321040, 417352, 497612, 521690, 622015, 642080, 834704, 995224, 1043380, 1244030, 1617239, 1669408, 1990448, 2086760, 2488060, 3234478, 3980896, 4173520, 4976120, 6468956, 8086195, 8347040, 9952240, 12937912, 16172390, 19904480, 25875824, 32344780, 51751648, 64689560, 129379120, 258758240]

約数ペア:

[(1, 258758240), (2, 129379120), (4, 64689560), (5, 51751648), (8, 32344780), (10, 25875824), (13, 19904480), (16, 16172390), (20, 12937912), (26, 9952240), (31, 8347040), (32, 8086195), (40, 6468956), (52, 4976120), (62, 4173520), (65, 3980896), (80, 3234478), (104, 2488060), (124, 2086760), (130, 1990448), (155, 1669408), (160, 1617239), (208, 1244030), (248, 1043380), (260, 995224), (310, 834704), (403, 642080), (416, 622015), (496, 521690), (520, 497612), (620, 417352), (806, 321040), (992, 260845), (1040, 248806), (1240, 208676), (1612, 160520), (2015, 128416), (2080, 124403), (2480, 104338), (3224, 80260), (4013, 64480), (4030, 64208), (4960, 52169), (6448, 40130), (8026, 32240), (8060, 32104), (12896, 20065), (16052, 16120)]