13898240

素因数分解:

$2^9\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 80

約数和(自身を含む): 34250040

約数和(自身を除く): 20351800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 89, 122, 128, 160, 178, 244, 256, 305, 320, 356, 445, 488, 512, 610, 640, 712, 890, 976, 1220, 1280, 1424, 1780, 1952, 2440, 2560, 2848, 3560, 3904, 4880, 5429, 5696, 7120, 7808, 9760, 10858, 11392, 14240, 15616, 19520, 21716, 22784, 27145, 28480, 31232, 39040, 43432, 45568, 54290, 56960, 78080, 86864, 108580, 113920, 156160, 173728, 217160, 227840, 347456, 434320, 694912, 868640, 1389824, 1737280, 2779648, 3474560, 6949120, 13898240]

約数ペア:

[(1, 13898240), (2, 6949120), (4, 3474560), (5, 2779648), (8, 1737280), (10, 1389824), (16, 868640), (20, 694912), (32, 434320), (40, 347456), (61, 227840), (64, 217160), (80, 173728), (89, 156160), (122, 113920), (128, 108580), (160, 86864), (178, 78080), (244, 56960), (256, 54290), (305, 45568), (320, 43432), (356, 39040), (445, 31232), (488, 28480), (512, 27145), (610, 22784), (640, 21716), (712, 19520), (890, 15616), (976, 14240), (1220, 11392), (1280, 10858), (1424, 9760), (1780, 7808), (1952, 7120), (2440, 5696), (2560, 5429), (2848, 4880), (3560, 3904)]