28275040

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 96

約数和(自身を含む): 71850240

約数和(自身を除く): 43575200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 71, 76, 80, 95, 131, 142, 152, 160, 190, 262, 284, 304, 355, 380, 524, 568, 608, 655, 710, 760, 1048, 1136, 1310, 1349, 1420, 1520, 2096, 2272, 2489, 2620, 2698, 2840, 3040, 4192, 4978, 5240, 5396, 5680, 6745, 9301, 9956, 10480, 10792, 11360, 12445, 13490, 18602, 19912, 20960, 21584, 24890, 26980, 37204, 39824, 43168, 46505, 49780, 53960, 74408, 79648, 93010, 99560, 107920, 148816, 176719, 186020, 199120, 215840, 297632, 353438, 372040, 398240, 706876, 744080, 883595, 1413752, 1488160, 1767190, 2827504, 3534380, 5655008, 7068760, 14137520, 28275040]

約数ペア:

[(1, 28275040), (2, 14137520), (4, 7068760), (5, 5655008), (8, 3534380), (10, 2827504), (16, 1767190), (19, 1488160), (20, 1413752), (32, 883595), (38, 744080), (40, 706876), (71, 398240), (76, 372040), (80, 353438), (95, 297632), (131, 215840), (142, 199120), (152, 186020), (160, 176719), (190, 148816), (262, 107920), (284, 99560), (304, 93010), (355, 79648), (380, 74408), (524, 53960), (568, 49780), (608, 46505), (655, 43168), (710, 39824), (760, 37204), (1048, 26980), (1136, 24890), (1310, 21584), (1349, 20960), (1420, 19912), (1520, 18602), (2096, 13490), (2272, 12445), (2489, 11360), (2620, 10792), (2698, 10480), (2840, 9956), (3040, 9301), (4192, 6745), (4978, 5680), (5240, 5396)]