128046880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61561}}^1$

素因数の和:61589

約数の個数: 48

約数和(自身を含む): 325786104

約数和(自身を除く): 197739224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 61561, 123122, 246244, 307805, 492488, 615610, 800293, 984976, 1231220, 1600586, 1969952, 2462440, 3201172, 4001465, 4924880, 6402344, 8002930, 9849760, 12804688, 16005860, 25609376, 32011720, 64023440, 128046880]

約数ペア:

[(1, 128046880), (2, 64023440), (4, 32011720), (5, 25609376), (8, 16005860), (10, 12804688), (13, 9849760), (16, 8002930), (20, 6402344), (26, 4924880), (32, 4001465), (40, 3201172), (52, 2462440), (65, 1969952), (80, 1600586), (104, 1231220), (130, 984976), (160, 800293), (208, 615610), (260, 492488), (416, 307805), (520, 246244), (1040, 123122), (2080, 61561)]