80117536

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 161663040

約数和(自身を除く): 81545504

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 179, 197, 284, 358, 394, 568, 716, 788, 1136, 1432, 1576, 2272, 2864, 3152, 5728, 6304, 12709, 13987, 25418, 27974, 35263, 50836, 55948, 70526, 101672, 111896, 141052, 203344, 223792, 282104, 406688, 447584, 564208, 1128416, 2503673, 5007346, 10014692, 20029384, 40058768, 80117536]

約数ペア:

[(1, 80117536), (2, 40058768), (4, 20029384), (8, 10014692), (16, 5007346), (32, 2503673), (71, 1128416), (142, 564208), (179, 447584), (197, 406688), (284, 282104), (358, 223792), (394, 203344), (568, 141052), (716, 111896), (788, 101672), (1136, 70526), (1432, 55948), (1576, 50836), (2272, 35263), (2864, 27974), (3152, 25418), (5728, 13987), (6304, 12709)]