40130740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 94445568

約数和(自身を除く): 54314828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 260, 310, 338, 383, 403, 620, 676, 766, 806, 845, 1532, 1612, 1690, 1915, 2015, 3380, 3830, 4030, 4979, 5239, 7660, 8060, 9958, 10478, 11873, 19916, 20956, 23746, 24895, 26195, 47492, 49790, 52390, 59365, 64727, 99580, 104780, 118730, 129454, 154349, 237460, 258908, 308698, 323635, 617396, 647270, 771745, 1294540, 1543490, 2006537, 3086980, 4013074, 8026148, 10032685, 20065370, 40130740]

約数ペア:

[(1, 40130740), (2, 20065370), (4, 10032685), (5, 8026148), (10, 4013074), (13, 3086980), (20, 2006537), (26, 1543490), (31, 1294540), (52, 771745), (62, 647270), (65, 617396), (124, 323635), (130, 308698), (155, 258908), (169, 237460), (260, 154349), (310, 129454), (338, 118730), (383, 104780), (403, 99580), (620, 64727), (676, 59365), (766, 52390), (806, 49790), (845, 47492), (1532, 26195), (1612, 24895), (1690, 23746), (1915, 20956), (2015, 19916), (3380, 11873), (3830, 10478), (4030, 9958), (4979, 8060), (5239, 7660)]