51678860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 121927680

約数和(自身を除く): 70248820

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 41, 62, 76, 82, 95, 107, 124, 155, 164, 190, 205, 214, 310, 380, 410, 428, 535, 589, 620, 779, 820, 1070, 1178, 1271, 1558, 2033, 2140, 2356, 2542, 2945, 3116, 3317, 3895, 4066, 4387, 5084, 5890, 6355, 6634, 7790, 8132, 8774, 10165, 11780, 12710, 13268, 15580, 16585, 17548, 20330, 21935, 24149, 25420, 33170, 40660, 43870, 48298, 63023, 66340, 83353, 87740, 96596, 120745, 126046, 135997, 166706, 241490, 252092, 271994, 315115, 333412, 416765, 482980, 543988, 630230, 679985, 833530, 1260460, 1359970, 1667060, 2583943, 2719940, 5167886, 10335772, 12919715, 25839430, 51678860]

約数ペア:

[(1, 51678860), (2, 25839430), (4, 12919715), (5, 10335772), (10, 5167886), (19, 2719940), (20, 2583943), (31, 1667060), (38, 1359970), (41, 1260460), (62, 833530), (76, 679985), (82, 630230), (95, 543988), (107, 482980), (124, 416765), (155, 333412), (164, 315115), (190, 271994), (205, 252092), (214, 241490), (310, 166706), (380, 135997), (410, 126046), (428, 120745), (535, 96596), (589, 87740), (620, 83353), (779, 66340), (820, 63023), (1070, 48298), (1178, 43870), (1271, 40660), (1558, 33170), (2033, 25420), (2140, 24149), (2356, 21935), (2542, 20330), (2945, 17548), (3116, 16585), (3317, 15580), (3895, 13268), (4066, 12710), (4387, 11780), (5084, 10165), (5890, 8774), (6355, 8132), (6634, 7790)]