25547620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 63201600

約数和(自身を除く): 37653980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 131, 140, 196, 199, 245, 262, 398, 490, 524, 655, 796, 917, 980, 995, 1310, 1393, 1834, 1990, 2620, 2786, 3668, 3980, 4585, 5572, 6419, 6965, 9170, 9751, 12838, 13930, 18340, 19502, 25676, 26069, 27860, 32095, 39004, 48755, 52138, 64190, 97510, 104276, 128380, 130345, 182483, 195020, 260690, 364966, 521380, 729932, 912415, 1277381, 1824830, 2554762, 3649660, 5109524, 6386905, 12773810, 25547620]

約数ペア:

[(1, 25547620), (2, 12773810), (4, 6386905), (5, 5109524), (7, 3649660), (10, 2554762), (14, 1824830), (20, 1277381), (28, 912415), (35, 729932), (49, 521380), (70, 364966), (98, 260690), (131, 195020), (140, 182483), (196, 130345), (199, 128380), (245, 104276), (262, 97510), (398, 64190), (490, 52138), (524, 48755), (655, 39004), (796, 32095), (917, 27860), (980, 26069), (995, 25676), (1310, 19502), (1393, 18340), (1834, 13930), (1990, 12838), (2620, 9751), (2786, 9170), (3668, 6965), (3980, 6419), (4585, 5572)]