25966480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 65178864

約数和(自身を除く): 39212384

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 122, 136, 170, 244, 272, 305, 313, 340, 488, 610, 626, 680, 976, 1037, 1220, 1252, 1360, 1565, 2074, 2440, 2504, 3130, 4148, 4880, 5008, 5185, 5321, 6260, 8296, 10370, 10642, 12520, 16592, 19093, 20740, 21284, 25040, 26605, 38186, 41480, 42568, 53210, 76372, 82960, 85136, 95465, 106420, 152744, 190930, 212840, 305488, 324581, 381860, 425680, 649162, 763720, 1298324, 1527440, 1622905, 2596648, 3245810, 5193296, 6491620, 12983240, 25966480]

約数ペア:

[(1, 25966480), (2, 12983240), (4, 6491620), (5, 5193296), (8, 3245810), (10, 2596648), (16, 1622905), (17, 1527440), (20, 1298324), (34, 763720), (40, 649162), (61, 425680), (68, 381860), (80, 324581), (85, 305488), (122, 212840), (136, 190930), (170, 152744), (244, 106420), (272, 95465), (305, 85136), (313, 82960), (340, 76372), (488, 53210), (610, 42568), (626, 41480), (680, 38186), (976, 26605), (1037, 25040), (1220, 21284), (1252, 20740), (1360, 19093), (1565, 16592), (2074, 12520), (2440, 10642), (2504, 10370), (3130, 8296), (4148, 6260), (4880, 5321), (5008, 5185)]