1280790430

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{9467}}^1$

素因数の和:9720

約数の個数: 32

約数和(自身を含む): 2347761024

約数和(自身を除く): 1066970594

約数列:

[1, 2, 5, 10, 83, 163, 166, 326, 415, 815, 830, 1630, 9467, 13529, 18934, 27058, 47335, 67645, 94670, 135290, 785761, 1543121, 1571522, 3086242, 3928805, 7715605, 7857610, 15431210, 128079043, 256158086, 640395215, 1280790430]

約数ペア:

[(1, 1280790430), (2, 640395215), (5, 256158086), (10, 128079043), (83, 15431210), (163, 7857610), (166, 7715605), (326, 3928805), (415, 3086242), (815, 1571522), (830, 1543121), (1630, 785761), (9467, 135290), (13529, 94670), (18934, 67645), (27058, 47335)]