42417920

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1069}}^1$

素因数の和:1121

約数の個数: 72

約数和(自身を含む): 104979840

約数和(自身を除く): 62561920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1069, 1240, 1280, 1984, 2138, 2480, 3968, 4276, 4960, 5345, 7936, 8552, 9920, 10690, 17104, 19840, 21380, 33139, 34208, 39680, 42760, 66278, 68416, 85520, 132556, 136832, 165695, 171040, 265112, 273664, 331390, 342080, 530224, 662780, 684160, 1060448, 1325560, 1368320, 2120896, 2651120, 4241792, 5302240, 8483584, 10604480, 21208960, 42417920]

約数ペア:

[(1, 42417920), (2, 21208960), (4, 10604480), (5, 8483584), (8, 5302240), (10, 4241792), (16, 2651120), (20, 2120896), (31, 1368320), (32, 1325560), (40, 1060448), (62, 684160), (64, 662780), (80, 530224), (124, 342080), (128, 331390), (155, 273664), (160, 265112), (248, 171040), (256, 165695), (310, 136832), (320, 132556), (496, 85520), (620, 68416), (640, 66278), (992, 42760), (1069, 39680), (1240, 34208), (1280, 33139), (1984, 21380), (2138, 19840), (2480, 17104), (3968, 10690), (4276, 9920), (4960, 8552), (5345, 7936)]