20160791296

素因数分解:

$2^8\times {\mathrm{139}}^1\times {\mathrm{461}}^1\times {\mathrm{1229}}^1$

素因数の和:1845

約数の個数: 72

約数和(自身を含む): 40653320400

約数和(自身を除く): 20492529104

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 256, 278, 461, 556, 922, 1112, 1229, 1844, 2224, 2458, 3688, 4448, 4916, 7376, 8896, 9832, 14752, 17792, 19664, 29504, 35584, 39328, 59008, 64079, 78656, 118016, 128158, 157312, 170831, 256316, 314624, 341662, 512632, 566569, 683324, 1025264, 1133138, 1366648, 2050528, 2266276, 2733296, 4101056, 4532552, 5466592, 8202112, 9065104, 10933184, 16404224, 18130208, 21866368, 36260416, 43732736, 72520832, 78753091, 145041664, 157506182, 315012364, 630024728, 1260049456, 2520098912, 5040197824, 10080395648, 20160791296]

約数ペア:

[(1, 20160791296), (2, 10080395648), (4, 5040197824), (8, 2520098912), (16, 1260049456), (32, 630024728), (64, 315012364), (128, 157506182), (139, 145041664), (256, 78753091), (278, 72520832), (461, 43732736), (556, 36260416), (922, 21866368), (1112, 18130208), (1229, 16404224), (1844, 10933184), (2224, 9065104), (2458, 8202112), (3688, 5466592), (4448, 4532552), (4916, 4101056), (7376, 2733296), (8896, 2266276), (9832, 2050528), (14752, 1366648), (17792, 1133138), (19664, 1025264), (29504, 683324), (35584, 566569), (39328, 512632), (59008, 341662), (64079, 314624), (78656, 256316), (118016, 170831), (128158, 157312)]