2576494720

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{31699}}^1$

素因数の和:31845

約数の個数: 64

約数和(自身を含む): 6208128000

約数和(自身を除く): 3631633280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2032, 2540, 4064, 5080, 8128, 10160, 16256, 20320, 31699, 40640, 63398, 81280, 126796, 158495, 253592, 316990, 507184, 633980, 1014368, 1267960, 2028736, 2535920, 4025773, 4057472, 5071840, 8051546, 10143680, 16103092, 20128865, 20287360, 32206184, 40257730, 64412368, 80515460, 128824736, 161030920, 257649472, 322061840, 515298944, 644123680, 1288247360, 2576494720]

約数ペア:

[(1, 2576494720), (2, 1288247360), (4, 644123680), (5, 515298944), (8, 322061840), (10, 257649472), (16, 161030920), (20, 128824736), (32, 80515460), (40, 64412368), (64, 40257730), (80, 32206184), (127, 20287360), (128, 20128865), (160, 16103092), (254, 10143680), (320, 8051546), (508, 5071840), (635, 4057472), (640, 4025773), (1016, 2535920), (1270, 2028736), (2032, 1267960), (2540, 1014368), (4064, 633980), (5080, 507184), (8128, 316990), (10160, 253592), (16256, 158495), (20320, 126796), (31699, 81280), (40640, 63398)]