25918880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{733}}^1$

素因数の和:778

約数の個数: 96

約数和(自身を含む): 69917904

約数和(自身を除く): 43999024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 340, 416, 442, 520, 544, 680, 733, 884, 1040, 1105, 1360, 1466, 1768, 2080, 2210, 2720, 2932, 3536, 3665, 4420, 5864, 7072, 7330, 8840, 9529, 11728, 12461, 14660, 17680, 19058, 23456, 24922, 29320, 35360, 38116, 47645, 49844, 58640, 62305, 76232, 95290, 99688, 117280, 124610, 152464, 161993, 190580, 199376, 249220, 304928, 323986, 381160, 398752, 498440, 647972, 762320, 809965, 996880, 1295944, 1524640, 1619930, 1993760, 2591888, 3239860, 5183776, 6479720, 12959440, 25918880]

約数ペア:

[(1, 25918880), (2, 12959440), (4, 6479720), (5, 5183776), (8, 3239860), (10, 2591888), (13, 1993760), (16, 1619930), (17, 1524640), (20, 1295944), (26, 996880), (32, 809965), (34, 762320), (40, 647972), (52, 498440), (65, 398752), (68, 381160), (80, 323986), (85, 304928), (104, 249220), (130, 199376), (136, 190580), (160, 161993), (170, 152464), (208, 124610), (221, 117280), (260, 99688), (272, 95290), (340, 76232), (416, 62305), (442, 58640), (520, 49844), (544, 47645), (680, 38116), (733, 35360), (884, 29320), (1040, 24922), (1105, 23456), (1360, 19058), (1466, 17680), (1768, 14660), (2080, 12461), (2210, 11728), (2720, 9529), (2932, 8840), (3536, 7330), (3665, 7072), (4420, 5864)]