70894720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8521}}^1$

素因数の和:8553

約数の個数: 64

約数和(自身を含む): 182541240

約数和(自身を除く): 111646520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 8521, 17042, 34084, 42605, 68168, 85210, 110773, 136336, 170420, 221546, 272672, 340840, 443092, 545344, 553865, 681680, 886184, 1090688, 1107730, 1363360, 1772368, 2215460, 2726720, 3544736, 4430920, 5453440, 7089472, 8861840, 14178944, 17723680, 35447360, 70894720]

約数ペア:

[(1, 70894720), (2, 35447360), (4, 17723680), (5, 14178944), (8, 8861840), (10, 7089472), (13, 5453440), (16, 4430920), (20, 3544736), (26, 2726720), (32, 2215460), (40, 1772368), (52, 1363360), (64, 1107730), (65, 1090688), (80, 886184), (104, 681680), (128, 553865), (130, 545344), (160, 443092), (208, 340840), (260, 272672), (320, 221546), (416, 170420), (520, 136336), (640, 110773), (832, 85210), (1040, 68168), (1664, 42605), (2080, 34084), (4160, 17042), (8320, 8521)]