40394912

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{79}}^1$

素因数の和:166

約数の個数: 72

約数和(自身を含む): 87796800

約数和(自身を除く): 47401888

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 76, 79, 116, 152, 158, 232, 304, 316, 464, 551, 608, 632, 841, 928, 1102, 1264, 1501, 1682, 2204, 2291, 2528, 3002, 3364, 4408, 4582, 6004, 6728, 8816, 9164, 12008, 13456, 15979, 17632, 18328, 24016, 26912, 31958, 36656, 43529, 48032, 63916, 66439, 73312, 87058, 127832, 132878, 174116, 255664, 265756, 348232, 511328, 531512, 696464, 1063024, 1262341, 1392928, 2126048, 2524682, 5049364, 10098728, 20197456, 40394912]

約数ペア:

[(1, 40394912), (2, 20197456), (4, 10098728), (8, 5049364), (16, 2524682), (19, 2126048), (29, 1392928), (32, 1262341), (38, 1063024), (58, 696464), (76, 531512), (79, 511328), (116, 348232), (152, 265756), (158, 255664), (232, 174116), (304, 132878), (316, 127832), (464, 87058), (551, 73312), (608, 66439), (632, 63916), (841, 48032), (928, 43529), (1102, 36656), (1264, 31958), (1501, 26912), (1682, 24016), (2204, 18328), (2291, 17632), (2528, 15979), (3002, 13456), (3364, 12008), (4408, 9164), (4582, 8816), (6004, 6728)]