25410320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:540

約数の個数: 80

約数和(自身を含む): 64964592

約数和(自身を除く): 39554272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 260, 265, 424, 461, 520, 530, 689, 848, 922, 1040, 1060, 1378, 1844, 2120, 2305, 2756, 3445, 3688, 4240, 4610, 5512, 5993, 6890, 7376, 9220, 11024, 11986, 13780, 18440, 23972, 24433, 27560, 29965, 36880, 47944, 48866, 55120, 59930, 95888, 97732, 119860, 122165, 195464, 239720, 244330, 317629, 390928, 479440, 488660, 635258, 977320, 1270516, 1588145, 1954640, 2541032, 3176290, 5082064, 6352580, 12705160, 25410320]

約数ペア:

[(1, 25410320), (2, 12705160), (4, 6352580), (5, 5082064), (8, 3176290), (10, 2541032), (13, 1954640), (16, 1588145), (20, 1270516), (26, 977320), (40, 635258), (52, 488660), (53, 479440), (65, 390928), (80, 317629), (104, 244330), (106, 239720), (130, 195464), (208, 122165), (212, 119860), (260, 97732), (265, 95888), (424, 59930), (461, 55120), (520, 48866), (530, 47944), (689, 36880), (848, 29965), (922, 27560), (1040, 24433), (1060, 23972), (1378, 18440), (1844, 13780), (2120, 11986), (2305, 11024), (2756, 9220), (3445, 7376), (3688, 6890), (4240, 5993), (4610, 5512)]