63987820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12953}}^1$

素因数の和:12994

約数の個数: 48

約数和(自身を含む): 152339040

約数和(自身を除く): 88351220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 12953, 25906, 51812, 64765, 129530, 168389, 246107, 259060, 336778, 492214, 673556, 841945, 984428, 1230535, 1683890, 2461070, 3199391, 3367780, 4922140, 6398782, 12797564, 15996955, 31993910, 63987820]

約数ペア:

[(1, 63987820), (2, 31993910), (4, 15996955), (5, 12797564), (10, 6398782), (13, 4922140), (19, 3367780), (20, 3199391), (26, 2461070), (38, 1683890), (52, 1230535), (65, 984428), (76, 841945), (95, 673556), (130, 492214), (190, 336778), (247, 259060), (260, 246107), (380, 168389), (494, 129530), (988, 64765), (1235, 51812), (2470, 25906), (4940, 12953)]